MY CAR WAS RUNNING FINE WHEN I PURCHASED IT TWO MONTHS AGO. THEN THE CHECK ENGINE LIGHT CAME ON. NEXT MY CAR STARTED SHUTTING OFF WHEN I WOULD COME TO A STOP LIGHT OR SIGN OR WHEN I WOULD SLOW DOWN. N...

What brand, kind of spark plugs do you guys use? I have had very good luck with double platinum and the iradium plugs. The Gtp has 134,000 on it now , and still runs great with 26 mpg on the highway a...